** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux-oem (Ubuntu Bionic)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1848318
Title:
[DELL][BIONICS] Observed firmware assert during backgroung scan.
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem package in Ubuntu:
New
Status in linux source package in Bionic:
New
Status in linux-oem source package in Bionic:
Fix Committed
Bug description:
SRU Justification:
------------------
Impact:
-------
Observed firmware assert(non responsive state) just 2 min after
connection.
Test case:
----------
1) Power up the device, Redpine modules are loaded by default, Nmcli
initiates the connection and device starts background scan after connection.
After 2-3 min issue will be replicated.
Result:
-------
Observed firmware assert while performing background scan.
Root cause analysis:
--------------------
There is a redundant null check for ssid info while preparing
probe request in background scan case, which blocks the probe request pkt
length update, leads to assert no-71(if probe-req-length is 0 or greater
the max probe length 120) in firmware.
Fix:
----
Removed the redundant null check.
Regression Potential:
---------------------
This is observed just 2 min after connection, fixed and checked the
driver stability. Every thing ran smooth.
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